Determination of migratory organotin compounds in toys by headspace-solid phase microextraction coupled with gas chromatography-mass spectrometry

doi:10.3724/SP.J.1123.2016.03015

Abstract

Abstract:

A method for the determination of ten migratory organotin compounds in toys was developed using headspace-solid phase microextraction (HS-SPME) coupled with gas chromatography-mass spectrometry (GC-MS). Toy materials were soaked in 0.07 mol/L HCl for 2 h, then the pH of the soak solution was adjusted to 4.7 by HAc-NaAc buffer. After ethylized with sodium tetraethylborate (NaBEt₄), the soaked solution was agitated and the headspace solid phase microextraction was performed with a 100 μ m polydimethylsiloxane (PDMS) fiber. After extraction, the SPME fiber was directly injected into the GC inlet, and the organotin compounds were separated on a DB-5 capillary column. The limits of detection for the ten organotin compounds were in the range of 0.5-5 μg/kg. The recoveries were in the ranges of 80.7%-118.7% and 86.2%-120.5% at the spiked levels of 0.500 μg/L and 5.00 μg/L. The relation standard deviations (RSDs) were all less than 15%. This method has been used to determine migratory organotin in accessible parts of toys, including coating, plastic, wood and textile. The method is simple, fast, sensitive and solvent-free.

Key words: gas chromatography-mass spectrometry (GC-MS), headspace-solid phase microextraction (HS-SPME), organotin compounds, toys

CLC Number:

O658

HUO Juyuan, OUYANG Gangfeng, CHEN Liqiong, WANG Xin. Determination of migratory organotin compounds in toys by headspace-solid phase microextraction coupled with gas chromatography-mass spectrometry[J]. Chinese Journal of Chromatography, 2016, 34(6): 615-620.

References

[1] Hoch M. Appl Geochem, 2001, 16(7/8):719
[2] Jiang J P, Kuang D Z, Luo Y M, et al. Journal of Hengyang Normal University, 2005, 26(6):116 蒋江平, 邝代治, 罗一鸣, 等. 衡阳师范学院学报, 2005, 26(6):116
[3] Van der Kerk G J M, Luijten J G A. J Appl Chem, 1954, 4:314
[4] Champ M A. Sci Total Environ, 2000, 258(1/2):21
[5] Salazar M H, Salazar S M. Mar Environ Res, 1991, 32:131
[6] The European Parliament and the Council of the European Union. Regulation (EC) No 1907/2006 of the European Parliament and of the Council. (2006-12-18)[2015-12-15]. http://www.hse.gov.uk/REACH/resources/regulation.pdf
[7] The European Parliament and the Council of the European Union. Directive 2009/48/EC of the European Parliament and of the Council. (2009-6-18)[2015-12-15]. http://www.nsai.ie/NSAI/files/7e/7e505dab-31ae-4010-bf68-943a541e68ad. pdf
[8] British Standards Institution. Safety of Toys Part 3:Migration of Certain Elements. (2013-5-29)[2015-12-15]. http://shop.bsigroup.com/ProductDetail?pid=000000000030294792
[9] Liu Y L. Printing Quality & Standardization, 2012(7):42 刘颜丽. 印刷质量与标准化, 2012(7):42
[10] Wang X, Xing Y N, Chen Z Y, et al. Journal of Chinese Mass Spectrometry Society, 2013, 34(2):115 王欣, 幸苑娜, 陈泽勇, 等. 质谱学报, 2013, 34(2):115
[11] Tutschku S, Schantz M M, Wise S A. Anal Chem, 2002, 74:4694
[12] Bianchi F, Careri M, Maffini M, et al. J Anal At Spectrom, 2006, 21:970
[13] Aguerre S, Bancon-Montigny C, Lespes G, et al. Analyst, 2000, 125:263
[14] Vercauteren J, Pérés C, Devos C, et al. Anal Chem, 73(7):1509
[15] Liu P Y, Gao L, Shen J, et al. Chinese Journal of Chromatography, 2010, 28(5):517 刘芃岩, 高丽, 申杰, 等. 色谱, 2010, 28(5):517
[16] Wu J H, Wang Z H, Wang B, et al. Chinese Journal of Chromatography, 2013, 31(12):1218 吴金浩, 王召会, 王摆, 等. 色谱, 2013, 31(12):1218
[17] Cui Z Y, Ge N, Cao Y Z, et al. Chinese Journal of Analytical Chemistry, 2013, 41(12):1887 崔宗岩, 葛娜, 曹彦忠, 等. 分析化学, 2013, 41(12):1887
[18] Zhang L X, Su R G, Zhang C S, et al. Scientia Sinica Chimica, 2010, 40(8):1149 张丽笑, 苏荣国, 张传松, 等. 中国科学:化学, 2010, 40(8):1149
[19] Cui Z Y, Sun Y, Ge N, et al. Chinese Journal of Chromatography, 2014, 32(8):855 崔宗岩, 孙扬, 葛娜, 等. 色谱, 2014, 32(8):855